Solve the problem.In how many ways can a committee of 4 people be selected from 6 married couples if no committee is to include a husband-and-wife pair?
A. 206
B. 240
C. 5760
D. 210
Answer: B
Mathematics
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Simplify by using the order of operations. Round your answer to the nearest hundredth, if necessary.12 + (12.7 - 8.2) ? 7.8
A. 128.70 B. -88.44 C. 102.86 D. 47.10
Mathematics
Solve by using the percent proportion 
= 
.28% of 84 is what?
A. 
= 
; a = 23.52
B. 
= 
; b = 300
C. 
= 
; a = 23.52
D. 
= 
; p = 33.33
Mathematics
Tell whether or not the rational expressions are equivalent.
, 
A. Yes B. No
Mathematics
Graph using the x- and y-intercepts.y = -3
A. 
B. 
C. 
D. 
Mathematics